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Academic literature on the topic 'Ligands; transition metal complexes'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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Journal articles on the topic "Ligands; transition metal complexes"

1

Pierpont, Cortlandt G., and Attia S. Attia. "Spin Coupling Interactions in Transition Metal Complexes Containing Radical o-Semiquinone Ligands. A Review." Collection of Czechoslovak Chemical Communications 66, no. 1 (2001): 33–51. http://dx.doi.org/10.1135/cccc20010033.

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Transition metal complexes ofo-semiquinone (SQ) ligands have been studied extensively over the past 25 years. A particularly interesting aspect of this coordination chemistry concerns magnetic interactions between paramagnetic metal ions and the radical anionic ligands. In this review we begin with a survey of relatively simple complexes consisting of a paramagnetic metal ion chelated by a single SQ ligand. Recent studies have revealed the importance of SQ-SQ coupling through diamagnetic metals, and complexes of this class are described in the second section of the review. Both interactions combine to account for the often complicated magnetic properties of complexes containing multiple SQ ligands chelated to a paramagnetic metal ion. Research on these complexes is surveyed in the third section with a concluding look toward polymeric SQ complexes. A review with 51 references.

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2

Sasmal, Ashok, Eugenio Garribba, Carlos J. Gómez-García, Cédric Desplanches, and Samiran Mitra. "Switching and redox isomerism in first-row transition metal complexes containing redox active Schiff base ligands." Dalton Trans. 43, no. 42 (2014): 15958–67. http://dx.doi.org/10.1039/c4dt01699h.

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Switching and redox isomerism in first row transition metal complexes through the metal-to-ligand or ligand-to-ligand electron transfer stabilize redox isomeric forms in transition metal complexes with redox-active ligands.

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3

Sellmann, Dieter, Herbert Binder, Daniel Häußinger, Frank W. Heinemann, and Jörg Sutter. "Transition metal complexes with sulfur ligands." Inorganica Chimica Acta 300-302 (April 2000): 829–36. http://dx.doi.org/10.1016/s0020-1693(99)00608-8.

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Sivaev, Igor B., Marina Yu Stogniy, and Vladimir I. Bregadze. "Transition metal complexes with carboranylphosphine ligands." Coordination Chemistry Reviews 436 (June 2021): 213795. http://dx.doi.org/10.1016/j.ccr.2021.213795.

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5

Sumrra, Sajjad Hussain, Muhammad Ibrahim, Sabahat Ambreen, Muhammad Imran, Muhammad Danish, and Fouzia Sultana Rehmani. "Synthesis, Spectral Characterization, and Biological Evaluation of Transition Metal Complexes of Bidentate N, O Donor Schiff Bases." Bioinorganic Chemistry and Applications 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/812924.

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New series of three bidentate N, O donor type Schiff bases(L1)–(L3)were prepared by using ethylene-1,2-diamine with 5-methyl furfural, 2-anisaldehyde, and 2-hydroxybenzaldehyde in an equimolar ratio. These ligands were further complexed with Co(II), Cu(II), Ni(II), and Zn(II) metals to produce their new metal complexes having an octahedral geometry. These compounds were characterized on the basis of their physical, spectral, and analytical data. Elemental analysis and spectral data of the uncomplexed ligands and their metal(II) complexes were found to be in good agreement with their structures, indicating high purity of all the compounds. All ligands and their metal complexes were screened for antimicrobial activity. The results of antimicrobial activity indicated that metal complexes have significantly higher activity than corresponding ligands. This higher activity might be due to chelation process which reduces the polarity of metal ion by coordinating with ligands.

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Ye-gao, Yin, Huang Zu-yun, Cheung Kung-kai, and Wong Wing-tak. "Ligand-metal interaction in transition-metal complexes with tripodal polyaza ligands." Wuhan University Journal of Natural Sciences 4, no. 4 (December 1999): 477–81. http://dx.doi.org/10.1007/bf02832289.

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7

Zhao, Lili, Chaoqun Chai, Wolfgang Petz, and Gernot Frenking. "Carbones and Carbon Atom as Ligands in Transition Metal Complexes." Molecules 25, no. 21 (October 26, 2020): 4943. http://dx.doi.org/10.3390/molecules25214943.

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This review summarizes experimental and theoretical studies of transition metal complexes with two types of novel metal-carbon bonds. One type features complexes with carbones CL2 as ligands, where the carbon(0) atom has two electron lone pairs which engage in double (σ and π) donation to the metal atom [M]⇇CL2. The second part of this review reports complexes which have a neutral carbon atom C as ligand. Carbido complexes with naked carbon atoms may be considered as endpoint of the series [M]-CR3 → [M]-CR2 → [M]-CR → [M]-C. This review includes some work on uranium and cerium complexes, but it does not present a complete coverage of actinide and lanthanide complexes with carbone or carbide ligands.

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Prananto, Yuniar P., Aron Urbatsch, Boujemaa Moubaraki, Keith S. Murray, David R. Turner, Glen B. Deacon, and Stuart R. Batten. "Transition Metal Thiocyanate Complexes of Picolylcyanoacetamides." Australian Journal of Chemistry 70, no. 5 (2017): 516. http://dx.doi.org/10.1071/ch16648.

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A variety of transition metal complexes involving picolylcyanoacetamides (pica = NCCH2CONH-R; R = 2-picolyl- (2pica), 3-picolyl- (3pica), 4-picolyl- (4pica)) and thiocyanate have been synthesised and their solid-state structures have been determined. The complexes were all obtained from reactions between the corresponding metals salts and pica ligands with sodium thiocyanate under ambient conditions. Both 3pica and 4pica coordinate to the metal solely through the nitrogen atom of the picolyl group and form discrete tetrahedral [M(NCS)2(pica)2] (3pica; M = Mn, Zn; 4pica; M = Co) and octahedral [M(NCS)2(3pica)4] (M = Co, Fe, Ni) complexes. In addition, one-dimensional N,S-thiocyanate-bridged coordination polymers poly-[M(µ-NCS)2(pica)2] (3pica; M = Cd; 4pica; M = Co, Cd) were obtained. The ligand 2pica gave the discrete octahedral complexes [Co(NCS)2(2pica)2] and [Cd(NO3)2(2pica)2] in which 2pica chelates in a bidentate fashion through its picolyl and carbonyl groups. Magnetic susceptibility measurements on the cobalt(ii) complexes were performed and showed short-range antiferromagnetic coupling for the [Co(NCS)2(4pica)2]n 1D polymer.

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Salzer, A. "Nomenclature of Organometallic Compounds of the Transition Elements (IUPAC Recommendations 1999)." Pure and Applied Chemistry 71, no. 8 (August 30, 1999): 1557–85. http://dx.doi.org/10.1351/pac199971081557.

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Organometallic compounds are defined as containing at least one metal-carbon bond between an organic molecule, ion, or radical and a metal. Organometallic nomenclature therefore usually combines the nomenclature of organic chemisty and that of coordination chemistry. Provisional rules outlining nomenclature for such compounds are found both in Nomenclature of Organic Chemistry, 1979 and in Nomenclature of Inorganic Chemistry, 1990This document describes the nomenclature for organometallic compounds of the transition elements, that is compounds with metal-carbon single bonds, metal-carbon multiple bonds as well as complexes with unsaturated molecules (metal-p-complexes).Organometallic compounds are considered to be produced by addition reactions and so they are named on an addition principle. The name therefore is built around the central metal atom name. Organic ligand names are derived according to the rules of organic chemistry with appropriate endings to indicate the different bonding modes. To designate the points of attachment of ligands in more complicated structures, the h, k, and m-notations are used. The final section deals with the abbreviated nomenclature for metallocenes and their derivatives.ContentsIntroduction Systems of Nomenclature2.1 Binary type nomenclature 2.2 Substitutive nomenlcature 2.3 Coordination nomenclature Coordination Nomenclature3.1 General definitions of coordination chemistry 3.2 Oxidation numbers and net charges 3.3 Formulae and names for coordination compounds Nomenclature for Organometallic Compounds of Transition Metals 4.1 Valence-electron-numbers and the 18-valence-electron-rule 4.2 Ligand names 4.2.1 Ligands coordinating by one metal-carbon single bond 4.2.2 Ligands coordinating by several metal-carbon single bonds 4.2.3 Ligands coordinating by metal-carbon multiple bonds 4.2.4 Complexes with unsaturated molecules or groups 4.3 Metallocene nomenclature

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Leovac, V. M., E. Z. Ivegeš, K. Mészáros Szécsényi, K. Tomor, G. Pokol, and S. Gal. "Transition metal complexes with thiosemicarbazide-based ligands." Journal of thermal analysis 50, no. 3 (October 1997): 431–40. http://dx.doi.org/10.1007/bf01980503.

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Dissertations / Theses on the topic "Ligands; transition metal complexes"

1

Cheung, Wai Man. "Transition metal complexes with dichalcogenoimidodiphosphinate ligands /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202007%20CHEUNG.

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Skinner, Michael E. G. "Transition metal complexes of diamide-diamine ligands." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365390.

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Seidel, Scott William 1971. "Transition metal complexes containing chelating amido ligands." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/47411.

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Olson, Michael David. "Pyrazolyl based ligands in transition metal complexes." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27610.

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Several uninegative/ multidentate pyrazolyl based ligands were synthesized [eg. HBPZ₃₋, HBpz”₃₋, MeGapz₃₋/ MeGapz” ₃₋, H2BpZ₂₋/ Me2Bpz₂₋/ Me2GapZ₂₋/ Me2Gapz"₂₋/ Me₂Gapz(OCH₂CH₂NH₂)⁻Me₂Gapz(OCH₂CH₂CH=CH₂)⁻ ; pz pyrazolyl/ pz" = 3, 5 dimethylpyrazolyl]. These ligands were reacted with the sterically hindered metal complex, HBpz*₃MCl (M = Co, Ni; pz* = 3-iPr-4-Br-pyrazolyl) and the mixed-ligand transition metal complexes of general formulae, HBpz*₃ML, were isolated. The X-ray crystal structure of one such complex, HBpz*₃Nipz"₃BH was determined showing a near octahedral arrangement of ligands about the nickel centre. The electronic spectra of the nickel complexes were recorded and compared to predicted transitions. The electronic spectra of the four coordinate nickel complex, HBpz*₃NiCl, fit a d⁸, tetrahedral, ligand field model. The six coordinate complexes, HBpz*₃NiL (L = HBPZ₃, HBpz"₃, MeGapz₃, MeGapz”₃), fit a d⁸, octahedral, ligand field model. The unsymmetrical pyrazolylgallate ligands were reacted with the rhodium dimer [Rh(CO)₂CI]₂ to give the square planar complexes, LRh(CO) [L = Me2Gapz(OCH₂CH₂NH₂), Me₂Gapz(OCH₂CH₂CH=CH₂)]. These rhodium[I] complexes appeared to undergo oxidative additions of Mel, allylbromide and I₂. Furthermore these rhodium[I] complexes appeared to bind the small gas molecules, CO and ethene. A number of heterobimetallic complexes, with direct metal-metal bonds, were prepared and isolated from the reaction of the molybdenum anion, HBpz"₃(CO)₃MO⁻ with the transition metal halides, [CuPPb₃Cl]₄, SnR₃Cl (R = Me, Ph) and GePh₃Cl.
Science, Faculty of
Chemistry, Department of
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5

Lawrence, Sally. "Early transition metal complexes of pyrazole-derived ligands." Thesis, University of Oxford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433560.

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6

Franks, Mark A. "Transition metal complexes containing phenylthiolate and phenolate ligands." Thesis, University of Nottingham, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.580393.

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Chapter 1 provides an introduction to metalloenzymes that either feature active sites containing Ni-thiolate ligation or utilise phenoxyl radicals to perform their catalytic function, with a particular emphasis on the enzymatic active sites of Ni-containing superoxide dismutase (Ni SOD), [NiFe] hydrogenase and galactose oxidase. Studies concerning low molecular weight complexes of each active site are reviewed and their relevance with respect to enzyme function discussed. Details of the project outline conclude the chapter. Chapter 2 details the syntheses and characterisation of the [Zn(tsalen)] derived complexes [ZneBuLsC3N)], [ZneBuLsC2N)], [ZneBuLsNMe)], [ZneBuLlyl)], [Zn(IBuLsPy2)], [ZneBuLsPhl)], [Zn(IBuLslml)2], [ZneBuLsPy3)2], [Zn(LsC2N)], [Zn(LsNMe)], [Zn(Llyl)], [Zn(LsPy2)] and [Zn(LsPh1)], via Zn(II) templated Schiff- base condensation reactions using two thiosalicylaldehyde derived units and a range of primary amines. The syntheses of 2,4-di-tert-butyl-thiosalicylaldehyde from tert- butyl benzene and three functionalised 1,3-propyldiamines (2-(2-pyridylmethyl)-1,3- propanediamine, 2-(2-pyridylethyl)-I,3-propanediamine and 2-benzyl-I,3- propanediamine) are described. X-ray crystallographic studies demonstrate the successful integration of the additional N-donors into the backbone of the ligand framework at the N-imine position. The range of S2N2, S2N3 and S2N4 ligand sets are shown to adopt an array of coordination geometries about the Zn(II) metal centre providing scope for these ligands in tuning the electronic structures of their Ni- containing complexes. Chapter 3 describes the syntheses and X-ray crystallographic, electrochemical and spectroscopic studies of a series of Ni(II) Schiff-base dithiolate complexes, [Ni(IBuLsC3N)], [Ni(IBuLsc2N)], [NieBuLsNMe)], [NieBuLlyl)], [Ni(IBuLly2)], III [Ni(BuLlhl)], [Ni(BuLs1ml)2], [Ni(tBuLly3h]' [Ni(LsPyl)], [Ni(LsPY2)] and [Ni(LsPhl)] obtained via transmetallation from the analogous [Zn(BuLl)] and [Zn(LsR)] complexes described in Chapter 2. The effect that the additional pendant N-donors have upon the redox properties of the individual complexes are considered with respect to reproducing the structural, spectroscopic and functional properties of NiSOD. Particular attention is focussed on the redox properties of [Ni(BuLsPyl)], [Ni(tBuLsPy2)] and [Ni(BuLsPhl)], which together highlight a rare example of the ability of one N-donor group to assume the role of an endogenous donor upon oxidation. The proposed internal rearrangement of the Ni coordination sphere may encourage the formation of a predominantly metal-based SOMO following the oxidation process. Insight upon how this coordination chemistry relates to the chemistry of the active site of Ni SOD is discussed. Chapter 4 reports the electrochemical and spectroscopic characterisation of a range of binuclear [Ni(LsR)Fe(CO)3] and trinuclear [Ni(LsR){Fe(CO)3h] complexes (R = PhI, PyI and Me) synthesised via the reaction of [Ni(tsalen)]-type complexes, [Ni(LsR)], with Fe2(CO)9. X-ray crystallographic studies show that the complexes incorporate biologically relevant structural elements reminiscent of the active site of [NiFe] hydrogenase, including a binuclear Ni(1l2-S)Fe core featuring a ea. 2.9 A Ni- Fe separation. Chapter 5 details the preparation of a series of Zn(II), Ni(lI) and Cu(lI) Schiff-base diphenolate complexes utilising the two novel pentadentate pro-ligands, [H2tBuLo C3N] and [H2tBuLo NMe]. Cyclic voltammetric, spectroelectrochemical and EPR studies show the Zn(lI) and Cu(lI) complexes support two ligand-based oxidation processes, yielding kinetically inert species possessing phenoxyl radical character. Conversely, the paramagnetic Ni(lI) complexes, [Ni(BuLo NMe)] and IV [Ni(tBuLo C3N)], support both metal and ligand-based oxidation chemistry. The chapter concludes by discussing the relative stability of phenoxyl and phenylthiyl radical ligands by comparison with the redox properties of the analogous Schiff-base Zn(II)-dithiolate complexes described in Chapter 2.

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Rivers, Christopher John. "Transition metal complexes incorporating trialkylsilyl substituted pentalene ligands." Thesis, University of Sussex, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289228.

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8

Herring, A. M. "New transition metal complexes containing functionalised phosphine ligands." Thesis, University of Leeds, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383967.

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9

Ivison, Peter. "Transition metal complexes of hard-soft donor ligands." Thesis, Kingston University, 1992. http://eprints.kingston.ac.uk/20562/.

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10

Ghebregziabiher, Berhe Haile. "Synthesis of chiral thiourea ligands and their transition metal complexes." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53610.

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Thesis (MSc)--Stellenbosch University, 2003.
ENGLISH ABSTRACT: Modification of chitosan with benzoylisothiocyanate was attempted, however due to solvent problem the study was left incomplete till appropriate solvent is designed. N,N-diethyl-N -camphanoylthiourea (HL8), N-piperidyl-N '-camphanoylthiourea (HL9), N-pyrrolidyl-N -camphanoylthiourea (HL10) and N,N-diethyl-N -adamantylcarbonyl thiourea (HL11)have been synthesised and characterised for the first time. Two of these ligands HL8 and HL11, were used to form a number of transition metal complexes, namely H30+{fae-[Co(L8-S,Obn, cis-[Ni(L8-S,0)2], trans-[Cu(L8-S,0)2], translcis-[Zn(L 8_S,0)2], translcis-[Pt(L 8_S,0)2], Ag2[(HL8-S)(L-J.1-S,O)]2, translcis- [Ni(L11-S,O)2]and translcis-[Cu(L11_S,O)2]. The new products are fully characterised by means of MS, IR spectroscopy, NMR spectroscopy, elemental (C, H, Nand S) analysis and melting point determinations. The H30+{fae-[Co(L8-S,Obn, cis-[Ni(L8- S,O)2], trans-[Cu(L8-S,O)2] and Ag2[(HL8-S)(L-J.1-S,O)]2 are also characterised by Xray diffraction analysis. The structure of the new chiral N,N-dialkyl-N' -camphanoylthiourea ligand (HL8) has a significant effect on its coordination chemistry with transition metal ions. This ligand forms H30+ {fae-[Co(L8-S,Obn, cis-[Ni(L8-S,0)2], trans-[Cu(L-S,O)2] and Ag2[(HL8- S)(L8-J.1-S,O)]2 complexes with the Co(II), Ni(II), Cu(II) and Ag(I) metal ions respectively. The spectroscopic and X-ray diffraction results of these complexes indicate a bidentate mode of coordination of the ligand (with its Sand °donor atoms) to the Co(II), Ni(II) and Cu(II) metal ions. The reaction of this ligand with silver(I) however affords the formation of a binuclear silver(I) complex exhibiting monodentate and bidentate modes of coordination within the same complex. The exclusive formation of trans-[Cu(L8-S,0)2] is a new phenomenon for the HL type thiourea ligands with Sand °donor atoms. Up to this point a maximum of 15 % trans-isomer has been reported in ltterature." All the transition metal complexes made with HL8and HL11are air stable in both the liquid and solid states except the H30+{fae-[Co(L 8-S,Ob]} Interestingly the deep green fae- H30+{fae-[Co(L8-S,Obn complex is air sensitive and the Co(II) oxidizes to Co(III) in the complex by atmospheric O2. The oxidation of Co(II) to Co(III) in the complex is confirmed by 1Hand 13CNMR spectra as well as by UV-Visible spectra of the complex. The NMR spectra of the complexes indicated the presence of one isomer in each complex except for the NMR spectra of the platinum complex of the HL8 ligand. The presence of the minor trans-[Pt(L8-S,Q)21 isomer in combination with the major cis-[Pt(L8-S,Q)21 isomer in the platinum complex was indicated by the 1H, 13Cand 195ptNMR spectra of the complex.
AFRIKAANSE OPSOMMING: Pogings om chitosan met benzoylisothiocyanate te modifiseer is onvoltooid gelaat weens die gebrek aan'n geskikte oplosmiddel. N,N-diethyl-N -carnphanoylthiourea (HL8), N-piperidyl-N -camphanoylthiourea (HL9), N-pyrrolidyl-N -camphanoylthlourea (HL10) en N,N-diethyl-N -adamantylcarbonyl thiourea (HL11) is vir die eerste keer gesintetiseer en gekarakteriseer. Twee van die ligande, HL8 en HL11, is gebruik om verskeie oorgangsmetaalkomplekse te berei, nl. H30+{fac-[Co(L8-S,Ohn, cis-[Ni(L8-S,0)2], trans-[Cu(L8-S,0)2], trans/cis-[Zn(L8 - S,0)2], trans/cis-[Pt(L8-S,0)2], Ag2[(HLB-S)(L-jl-S,0)]2, trans/cis-[Ni(L11-S,0)2] en trans/cis-[Cu(L11_S,0)2]. Die nuwe produkte is volledig gekarakteriseer deur middel van MS, IR spektroskopie, KMR spektrometrie, elemente (C, H, N en S) analise en smeltpuntbepaling. Die komplekse H30+{fao-[Co(L8-S,0)3n, cis-[Ni(L8-S,0)2], trans- [Cu(L8-S,0)2] en Ag2[(HLB-S)(L-jl-S,0)]2 is ook deur middel van X-straaldiffraksieanalise gekarakteriseer. Die struktuur van die nuwe chirale N,N-dialkyl-N'-camphanoylthiourea ligand (HL8) het In beduidende invloed op die koordinasie van hierdie ligand met oorgangsmetaalione. Die ligand vorm H30+{fac-[Co(L8-S,Ohn, cis-[Ni(L8-S,0)2], trans-[Cu(L-S,0)2] en Ag2[(HL8-S)(L8-Il-S,0)]2 komplekse met Co(ll)-, Ni(II)-, Cu(II)- en Ag(I)-ione respektiewelik. Spektroskopiese en X-straaldiffraksie-analise van die komplekse toon dat die ligande op 'n bidentate wyse d.m.v. die S- en O-donoratome met Co(II), Ni(lI) en Cu(lI) koordineer. Die reaksie van hierdie ligand met Ag(I)-ione lei egter tot die vorming van 'n dikernige silwer(I)-kompleks waarin die ligande monodentaat (S) en bidentaat (S en 0) aan die metaal gebind is. Die vorming van uitsluitlik die trans-[Cu(L8-S,0)2] in die reaksie van HL8 met Cu(lI) is 'n besondere fenomeen in die chemie van hierdie tipe ligande; in die literatuur word melding gemaak van slegs een ander trans-kompleks met hierdie ligande, en dan wel met 'n maksimum opbrengs van 15%.29 Alle oorgangsmetaalkomplekse met HLB en HL11 is stabiel indien blootgestel aan lug, ongeag of die verbindings opgelos word of in die vastetoestand verkeer, behalwe H30+{fao-[Co(L8-S,Ohn. Die diep-groen gekleurde H30+{fao-[Co(L8-S,Ohn)3]} kompleks is lugsensitief; Co(lI) word deur lugsuurstof na Co(lIl) ge-oksideer. Die oksidasie in die kompleks kan deur middel van 1H en 13CKMR spektrometrie sowel as UV-sigbare spektrofotometrie bevestig word. Die KMR spektra van alle komplekse dui op die teenwoordigheid van slegs een isomeer in oplossing, behalwe in die geval van die platinum(lI) kompleks met HL8. Die teenwoordigheid van lae konsentrasies trans-[Pt(L8-S,0)2] isomeer tesame met veel hoër konsentrasies van die cis-[Pt(L8 -S,O)2] isomeer word deur 1H, 13Cen 195ptKMR spektroskopie aangedui.

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Books on the topic "Ligands; transition metal complexes"

1

Lane, H. P. Transition metal complexes of group fifteen donor ligands. Manchester: UMIST, 1994.

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Chauvin, Remi, and Yves Canac, eds. Transition Metal Complexes of Neutral eta1-Carbon Ligands. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-04722-0.

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Nugent, William A. Metal-ligand multiple bonds: The chemistry of transition metal complexes containing oxo, nitrido, imido, alkylidene, or alkylidyne ligands. New York: Wiley, 1988.

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Transition metal complexes of neutral [Eta]1-carbon ligands. Heidelberg: Springer Verlag, 2010.

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Hawkins, Ian Michael. New transition metal complexes containing phosphine and sulphur ligands. Norwich: University of East Anglia, 1988.

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Kühl, Olaf. Functionalised N-heterocyclic carbene complexes. Hoboken, N.J: Wiley, 2009.

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Kühl, Olaf. Functionalised N-heterocyclic carbene complexes. Chichester, U.K: Wiley, 2010.

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Functionalised N-heterocyclic carbene complexes. Hoboken, N.J: Wiley, 2009.

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Kühl, Olaf. Functionalised N-heterocyclic carbene complexes. Hoboken, N.J: Wiley, 2009.

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Nugent, William A. Metal-ligandmultiple bonds: The chemistry of transition metal complexes containing oxo, nitrido, imido, alkylidene, or alkylidyne ligands. New York: Wiley, 1988.

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Book chapters on the topic "Ligands; transition metal complexes"

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Cotton, F. A., and C. M. Lukehart. "Transition Metal Complexes Containing Carbenoid Ligands." In Progress in Inorganic Chemistry, 487–613. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470166178.ch3.

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Mayr, A. "The Role of Nucleophiles and Electrophiles in Coupling Reactions of Alkylidyne Ligands." In Transition Metal Carbyne Complexes, 219–30. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1666-4_25.

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Lungwitz, B., and A. C. Filippou. "Electron-Rich Tungsten Aminocarbyne Complexes with Cp* Ligands Synthesis and Protonation Reactions." In Transition Metal Carbyne Complexes, 249–54. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1666-4_28.

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Gilje, John W., and Roger E. Cramer. "Double and Triple Bonds to f-Elements: Structure and Chemistry of Actinide Complexes of Multielectron Pair Donor Ligands." In Transition Metal Carbyne Complexes, 175–88. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1666-4_22.

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Hahn, James E. "Transition Metal Complexes Containing Bridging Alkylidene Ligands." In Progress in Inorganic Chemistry, 205–64. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470166321.ch3.

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Angelici, R. J. "Binding and Reactivity of Thiophene-Type Ligands in Transition Metal Complexes and Clusters." In Transition Metal Sulphides, 89–127. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-3577-3_4.

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Kaden, Th A. "Homo- and Heterobinuclear Metal Complexes with Bismacrocyclic Ligands." In Transition Metals in Supramolecular Chemistry, 211–25. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-015-8380-0_11.

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Schrock, Richard R. "Alkylidene Complexes of the Earlier Transition Metals." In Reactions of Coordinated Ligands, 221–83. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-1785-2_3.

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Churchill, Melvyn R. "Transition Metal Complexes of Azulene and Related Ligands." In Progress in Inorganic Chemistry, 53–98. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470166123.ch2.

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Okuda, Jun. "Transition metal complexes of sterically demanding cyclopentadienyl ligands." In Topics in Current Chemistry, 97–145. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/3-540-54324-4_3.

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Conference papers on the topic "Ligands; transition metal complexes"

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Záliš, S., R. S. Winter, M. Linseis, A. Kaim, B. Sarkar, I. Kratochvílová, George Maroulis, and Theodore E. Simos. "DFT modeling of Spectral and Redox Properties of Di-and Tetranuclear Ruthenium Transition Metal Complexes with Bridging Ligands." In COMPUTATIONAL METHODS IN SCIENCE AND ENGINEERING: Advances in Computational Science: Lectures presented at the International Conference on Computational Methods in Sciences and Engineering 2008 (ICCMSE 2008). AIP, 2009. http://dx.doi.org/10.1063/1.3225297.

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Herber, Rolfe H. "Variable Temperature FTIR Spectroscopy Of Transition Metal Complexes Using The SCN Reporter Ligand." In Intl Conf on Fourier and Computerized Infrared Spectroscopy, edited by David G. Cameron. SPIE, 1989. http://dx.doi.org/10.1117/12.969550.

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Akbar, Himyan, Salma Habib, Mohammed Mahroof Tahir, and Lakshmaiah Sreerama. "Synthesis and Characterization of Vanadium (IV)-Flavonoid Complexes and its Antioxidant ability toward Superoxide and Radical Scavenging." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0109.

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Abstract:

In this project Vanadium complex -Vanadium (IV) - flavone was synthesized using vanadium (IV) acetylacetonate (VO(acac)2) complex and 3-hydroxy-6-methyl flavone ligand. The complex stability was checked using FTIR and UV-vis spectroscopies. Peackes around 990 cm-1 conforms the formation of (V=O) in the complex, as well as (V-O) around 790 cm-1. In UV-Vis spectrum peak around 400-450 nm was noticed, which conforms the formation of the vanadium complex that correspond to the ligand to metal charge transfer (LMCT) transition. The radical scavenging abilities of vanadium complex were investigated using DPPH. The anti-oxidant activity using (BHA) as a standard reference, the complex synthesized displayed strong DPPH antioxidant radical scavenging activity compared to VO(acac)2 and BHA, with IC50 value of (105, 95 and 96) mM respectively. The absorbance in which the reducing power occurred were found to be (0.397, 0.825 and 0.228) for the complex, VO(acac)2 and BHA.

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Ayadi, A., K. El Korchi, D. Guichaoua, S. Taboukhat, and A. El-Ghayoury. "Azo-Based Ligands and Metal Complexes for NLO Applications." In 2019 21st International Conference on Transparent Optical Networks (ICTON). IEEE, 2019. http://dx.doi.org/10.1109/icton.2019.8840333.

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Palopoli, Stephen F., and Thomas B. Brill. "Synthesis And Thermolysis Of Metal Complexes Containing Energetic Ligands." In 1988 Los Angeles Symposium--O-E/LASE '88, edited by Joseph Flanagan. SPIE, 1988. http://dx.doi.org/10.1117/12.943744.

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Lee, Taewoo, Christian Reich, Christopher M. Laperle, Xiaodi Li, Margaret Grant, Christoph G. Rose-Petruck, and Frank Benesch-Lee. "Ultrafast XAFS of transition metal complexes." In International Conference on Ultrafast Phenomena. Washington, D.C.: OSA, 2006. http://dx.doi.org/10.1364/up.2006.wd4.

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Sahraoui, Bouchta, Konstantinos Iliopoulos, and Abdelkrim El-Ghayoury. "NLO investigations of electroactive ligands and of their electroactive metal complexes." In 2013 15th International Conference on Transparent Optical Networks (ICTON). IEEE, 2013. http://dx.doi.org/10.1109/icton.2013.6602961.

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Gale, David C., Gary M. Gray, and Christopher M. Lawson. "Nonlinear optical properties of metal-organic complexes with phosphorous-donor ligands." In Optical Science, Engineering and Instrumentation '97, edited by Christopher M. Lawson. SPIE, 1997. http://dx.doi.org/10.1117/12.284168.

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Slinker, Jason, Dan Bernards, Samuel Flores-Torres, Stefan Bernhard, Paul L. Houston, Héctor D. Abruña, and George G. Malliaras. "Light emitting diodes from transition metal complexes." In Frontiers in Optics. Washington, D.C.: OSA, 2003. http://dx.doi.org/10.1364/fio.2003.wnn2.

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Latouche, Camille, Vincenzo Barone, and Julien Bloino. "ANHARMONIC VIBRATIONAL SPECTROSCOPY ON METAL TRANSITION COMPLEXES." In 69th International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2014. http://dx.doi.org/10.15278/isms.2014.rc08.

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Reports on the topic "Ligands; transition metal complexes"

1

Reynolds, Michael. Transition Metal Complexes of Cr, Mo, W and Mn Containing η¹(S)-2,5-Dimethylthiophene, Benzothiophene and Dibenzothiophene Ligands. Office of Scientific and Technical Information (OSTI), September 2000. http://dx.doi.org/10.2172/764616.

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Kubas, G. J., J. Eckert, and X. L. Luo. Binding of hydrocarbons and other extremely weak ligands to transition metal complexes that coordinate hydrogen: Investigation of cis-interactions and delocalized bonding involving sigma bonds. Office of Scientific and Technical Information (OSTI), July 1997. http://dx.doi.org/10.2172/505275.

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White, Carter James. Selenophene transition metal complexes. Office of Scientific and Technical Information (OSTI), July 1994. http://dx.doi.org/10.2172/10190649.

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Sharp, P. R. Late transition metal oxo and imido complexes. Office of Scientific and Technical Information (OSTI), December 1992. http://dx.doi.org/10.2172/7017245.

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Rakowski-DuBois, Mary C. Aspects of C-H Activation in Metal Complexes Containing Sulfur Ligands. Office of Scientific and Technical Information (OSTI), October 2004. http://dx.doi.org/10.2172/833244.

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Author, Not Given. Metal alkoxides: Models for metal oxides: Alkoxide ligands in early transition metal organometallic chemistry. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/7151593.

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Sharp, P. R. Late transition metal. mu. -oxo and. mu. -imido complexes. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/6332549.

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Sharp, P. Late transition metal. mu. -oxo and. mu. -imido complexes. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/7003275.

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Norton, Jack. The Activation of Hydrogen by First-Row Transition-Metal Complexes. Office of Scientific and Technical Information (OSTI), March 2020. http://dx.doi.org/10.2172/1604425.

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Du, Guodong. Group 4 Metalloporphyrin diolato Complexes and Catalytic Application of Metalloporphyrins and Related Transition Metal Complexes. Office of Scientific and Technical Information (OSTI), January 2003. http://dx.doi.org/10.2172/835301.

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